RE: introduce Delay in MPC565 !!

Possible, but whats the utility?  If you need that fine grain small
timing offsets, the best is to insert assembly nop instructions.

-Les


> -----Original Message-----
> From: [email protected] [mailto:[email protected]] 
> On Behalf Of praveen
> Sent: Wednesday, August 16, 2006 7:31 AM
> To: [email protected]
> Subject: [MPC500] introduce Delay in MPC565 !!
> 
> 
> Hi all,
>    I am working with MPC565. and  i have made a routine which 
> can introduce delay in  microseconds.
>    
>   Dummy Routine to Introduce Delay in MicroSeconds :
>   
> --------------------------------------------------------------
> ---------
>   micro_second_delay( int  microsecs )
> {
>   int  time_base_start = get_tb_time();
>    
>      //Keep wait until the parameter 
>      while( ( get_tb_time() - time_base_start ) < microsecs );  
>   }
> 
>   get_tb_time ( void )
> {
>     mftb    r3,TB           
>   }
>   
> --------------------------------------------------------------
> -----------
>   Is it possible to have a function which can introduce delay 
> in nanoseconds  ?
>   i know that ,TB register is 64-bit incrementing counter. 
>   how will i be able to manage to get specific delay ? Can i 
> make generic funtions ?
>    
>     
>   Thanks in advance 
>    
>   Praven 
>    
>    
>    
> 
>  		
> ---------------------------------
> How low will we go? Check out Yahoo! Messenger's low  
> PC-to-Phone call rates.
> 
> [Non-text portions of this message have been removed]
> 
> 
> 
> -----------------------------------------------------------
> To learn more about Freescale Microcontrollers, please visit 
> http://www.freescale.com/mcu
> 
> 
>  
> Yahoo! Groups Links
> 
>     http://groups.yahoo.com/group/MPC500/
> 
> 
>  
> 
> 
> 


-----------------------------------------------------------
To learn more about Freescale Microcontrollers, please visit
http://www.freescale.com/mcu


 
Yahoo! Groups Links

<*> To visit your group on the web, go to:
    http://groups.yahoo.com/group/MPC500/

<*> To unsubscribe from this group, send an email to:
    [email protected]

<*> Your use of Yahoo! Groups is subject to:
    http://docs.yahoo.com/info/terms/